in the courthouse when d.n.a. started coming into be used at the courthouse. prior to that many law enforcement and prosecutors had to rely on blood samples and fingerprints, but once d.n.a. came in and we learned everybody has a unique genetic makeup and it can be connected and traced to perpetrators of crime when they commit a crime, especially in sexual assault cases. and convictions have gone up. the evidence is better. the proof beyond a reasonable doubt is much more available in d.n.a. cases. in 1985, there was a 13-year-old girl named lavenia masters. she lived in dallas, texas. she told her folks good night. she went to her bedroom which should be, mr. speaker, the safest place on earth for children -- went to sleep and during the middle of the night she was woken up by an outlaw putting a knife to her throat and he sexually assaulted her. then he snuck away in the darkness of the night. that was in 1985. she went to the hospital. her parents took care of her medical needs. d.n.a. evidence was taken from her. it was given to the law enforcement authorities, but that d.n.a. evidence from